The use of the word rank for Navy enlisted personnel is incorrect. The term is rate.. The rating badge is a combination of rate (pay grade, as indicated by the chevrons) and rating (occupational specialty, as indicated by the symbol just above the chevrons).
Neurons are nerve cells that are constantly sending signals to your brain, muscles and glands. You have over 100 billion neurons in your brain sending signals. The signals help the different parts of your body communicate with each other.
this neuron in turn passes the info to motor neurons which pass the info to cells in effectors and action is performed relay neurons are messengers between sensory neuron and motor neuron in spinal cord actually we must say all neurons receive information